关于量子力学的负结果实验.
1Istitute Nazionale di Fisica Nucleare, Sezione di Pisa, Largo Pontecorvo, 3, Ed. C, 56127 Pisa, Italy.
Entropy (Basel, Switzerland)
|November 27, 2024
概括
量子力学 (QM) 中的零测量是由于偏差的探测器而导致的不正确测量. 他们的预测,就像波函数崩一样,是标准的QM后果,由后来的公正相互作用验证.
科学领域:
- 量子力学就是量子力学.
- 量子测量理论 量子测量理论
背景情况:
- 负结果实验,也称为零测量或无相互作用测量,是量子力学中持续讨论的主题.
- 最近对量子测量过程的理解为分析这些实验提供了新的框架.
- 这些实验通常用波函数崩而不是直接的系统探测器相互作用来描述.
研究的目的:
- 在量子测量过程的新一般理解的背景下,重新评估负结果实验.
- 为了澄清从零测量得出的预测的性质及其与标准量子力学的关系.
- 讨论偏差探测器的作用和随后的验证测量.
主要方法:
- 使用最近提出的量子测量的一般理解,对零测量的概念分析.
- 解释偏差探测器设置作为零测量的关键特征.
- 与标准量子力学预测和可重复测量的比较.
主要成果:
- 零测量是从根本上不正确的测量,其特点是故意偏差的探测器设置选择特定事件.
- 在零测量中波函数崩的预测虽然是正确的,但是标准量子力学定律的直接结果.
- 这些预测与状态准备程序中的预测相似,并与它们没有根本差异.
结论:
- 量子力学的负结果实验可以始终被理解为使用有偏见的探测器进行不正确的测量.
- 显而易见的'幽灵'预测的零测量是可以通过标准的量子力学来解释的,并不是新的物理学的标志.
- 验证零测量预测需要随后的标准,不偏见的测量,涉及不可逆转的相互作用和信号放大.
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